Which one doesn’t belong to the seven major independent architectural systems in the ancient world?
A、Ancient Egyptian,
B、West Asian
C、Indian
D、Australian

单项选择题服务礼仪很简单，只要热情就可以，技能什么的都不重要。 A、正确 B、错误

单项选择题The eight employees of the Art Department and their ‘years of experience’ are listed in the following table. Employee A B C D E F G H Experience (years) 10 2 1 1 15 7 4 8 If a sample of three employees is selected with replacement, the number of elementary outcomes in the sample space is _______________.